CN215511122U

CN215511122U - Mechanical arm base with good stability

Info

Publication number: CN215511122U
Application number: CN202120436069.4U
Authority: CN
Inventors: 申晗艺
Original assignee: Xingtai Polytechnic College
Current assignee: Xingtai Polytechnic College
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2022-01-14
Anticipated expiration: 2031-03-01

Abstract

The utility model discloses a mechanical arm base with good stability, which comprises a bottom plate, wherein a fixed seat is fixedly connected at the center of the upper surface of the bottom plate, a mechanical arm is arranged on the upper side of the fixed seat, a fixed groove matched with the mechanical arm is arranged on the upper surface of the fixed seat, an installation cavity is arranged at the lower side of the fixed groove and inside the fixed seat, a gear is arranged in the installation cavity, a motor is arranged on the rear side surface of the gear, the lower surface of the motor is fixedly connected with the inner wall of the installation cavity, the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft, far away from the motor, is fixedly connected with the rear side surface of the gear, the top and the bottom of the installation cavity are respectively provided with an inner cavity, the installation cavity is mutually communicated with the inner cavities, and a serrated plate is slidably connected in the inner cavities, the device can realize the combined disassembly of the fixed seat and the mechanical arm, improves the installation efficiency, saves time and labor, and ensures the production speed of an automatic production line, effectively slow down vibrations, can guarantee the firm connection of this device and arm.

Description

Mechanical arm base with good stability

Technical Field

The utility model relates to a mechanical arm base, in particular to a mechanical arm base with good stability, and belongs to the technical field of mechanical arms.

Background

The mechanical arm is a complex system with high precision, multiple inputs and multiple outputs, high nonlinearity and strong coupling, and has been widely applied to the fields of industrial assembly, safety, explosion prevention and the like due to the unique operation flexibility.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a mechanical arm base with good stability, which can realize the combination and disassembly of a fixed seat and a mechanical arm, improve the installation efficiency, save time and labor, ensure the production speed of an automatic production line, effectively slow down vibration and ensure the stable connection of the device and the mechanical arm.

The utility model realizes the aim through the following technical scheme, a mechanical arm base with good stability comprises a bottom plate, a fixed seat is fixedly connected at the center of the upper surface of the bottom plate, a mechanical arm is arranged on the upper side of the fixed seat, a fixed groove matched with the mechanical arm is arranged on the upper surface of the fixed seat, an installation cavity is arranged at the lower side of the fixed groove and inside the fixed seat, a gear is arranged in the installation cavity, a motor is arranged on the rear side of the gear, the lower surface of the motor is fixedly connected with the inner wall of the installation cavity, the output end of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft, far away from the motor, is fixedly connected with the rear side of the gear, the top and the bottom of the installation cavity are both provided with inner cavities which are mutually communicated, sawtooth plates are connected in the inner cavities in a sliding manner, are oppositely arranged, are meshed with the sawtooth plates and connected with the outer side surfaces of the gear through sawtooth parts, and one side of the inner wall of the inner cavity is fixedly connected with a spring, one end rigid coupling serration plate terminal surface that the inner chamber inner wall was kept away from to the spring, the one end rigid coupling that the spring was kept away from to the serration plate has the kelly, first draw-in groove and second draw-in groove have been seted up respectively to arm bottom both sides, the one end that the serration plate was kept away from to the kelly runs through slip inner chamber inner wall and extends to the fixed slot outside.

Preferably, in order to guarantee the stability of arm at the during operation, the fixed slot side just is equipped with the cushion chamber in the fixing base is inside, one side contact that the cushion intracavity wall is close to the fixed slot is connected with the buffer board, a side center department rigid coupling that the buffer intracavity wall was kept away from to the buffer board has the buffer block, the one end rigid coupling that the buffer board was kept away from to the buffer block has the telescopic link, the one end that the buffer block was kept away from to the telescopic link is rotated through the round pin axle and is connected with the fixed block, one side rigid coupling cushion intracavity wall one side of telescopic link is kept away from to the fixed block, the one side symmetry that the cushion intracavity wall is close to the fixed block has seted up flutedly, sliding connection has trapezoidal board in the recess.

Preferably, in order to guarantee the stability when the serrated plate moves, one side that the installation cavity was kept away from to the inner chamber is equipped with the spout, spout and inner chamber intercommunication each other, sliding connection has the slider in the spout, the one end that the spout was kept away from to the slider extends to the inner chamber and the side that the gear was kept away from to the rigid coupling serrated plate.

Preferably, in order to effectively slow down vibrations, can guarantee the firm connection of fixing base and arm, trapezoidal plate keeps away from the one end of recess and extends and contact connection buffer block outer wall to the cushion chamber, one side rigid coupling that telescopic link was kept away from to trapezoidal plate has damping spring, damping spring keeps away from the one end rigid coupling cushion intracavity wall of trapezoidal plate.

Preferably, in order to realize the combination dismantlement of fixing base and arm, improved the installation effectiveness, labour saving and time saving guarantees automatic production line's production speed, the kelly sets up to two and respectively with first draw-in groove and second draw-in groove looks adaptation.

The utility model has the beneficial effects that: through setting up kelly and first draw-in groove, second draw-in groove looks adaptation, can realize the combination of fixing base and arm and dismantle, improved the installation effectiveness, labour saving and time saving guarantees the production speed of automation line, through setting up cushion chamber and damping spring, effectively slows down vibrations, can guarantee the firm connection of fixing base and arm, better assurance the stability of this device.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic view showing an inner structure of a fixing groove according to the present invention;

FIG. 3 is a schematic view of the internal structure of the buffer chamber according to the present invention;

FIG. 4 is a top view of the motor of the present invention;

in the figure: 1. a base plate; 2. a fixed seat; 3. a mechanical arm; 4. fixing grooves; 5. a mounting cavity; 6. a gear; 7. a motor; 8. a rotating shaft; 9. an inner cavity; 10. a serrated plate; 11. a spring; 12. a clamping rod; 13. a first card slot; 14. a second card slot; 15. a buffer chamber; 16. a buffer plate; 17. a buffer block; 18. a telescopic rod; 19. a fixed block; 20. a groove; 21. a trapezoidal plate; 22. a chute; 23. a slider; 24. a shock absorbing spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a mechanical arm base with good stability comprises a base plate 1, a fixed seat 2 is fixedly connected to the center of the upper surface of the base plate 1, a mechanical arm 3 is arranged on the upper side of the fixed seat 2, a fixed groove 4 matched with the mechanical arm 3 is arranged on the upper surface of the fixed seat 2, an installation cavity 5 is arranged below the fixed groove 4 and inside the fixed seat 2, a gear 6 is arranged in the installation cavity 5, a motor 7 is arranged on the rear side of the gear 6, the lower surface of the motor 7 is fixedly connected to the inner wall of the installation cavity 5, the output end of the motor 7 is fixedly connected to a rotating shaft 8, one end of the rotating shaft 8 far away from the motor 7 is fixedly connected to the rear side of the gear 6, inner cavities 9 are arranged at the top and the bottom of the installation cavity 5, the installation cavity 5 and the inner cavity 9 are communicated with each other, a serrated plate 10 is slidably connected to the inner cavity 9, the serrated plate 10 is oppositely arranged, the serrated plate 10 is engaged with the outer side surface of the gear 6 through a serrated portion, inner chamber 9 inner wall one side rigid coupling has spring 11, spring 11 keeps away from an one end rigid coupling serration plate 10 terminal surface of inner chamber 9 inner wall, the one end rigid coupling that spring 11 was kept away from to serration plate 10 has kelly 12, first draw-in groove 13 and second draw-in groove 14 have been seted up respectively to 3 bottom both sides of arm, kelly 12 is kept away from the one end of serration plate 10 and is run through slip inner chamber 9 inner wall and extend to fixed slot 4 outsidely.

As a preferred technical scheme of the utility model, a buffer cavity 15 is arranged beside the fixed groove 4 and inside the fixed seat 2, one side of the inner wall of the buffer cavity 15, which is close to the fixed groove 4, is in contact connection with a buffer plate 16, a buffer block 17 is fixedly connected at the center of one side of the buffer plate 16, which is far away from the inner wall of the buffer cavity 15, an expansion link 18 is fixedly connected at one end of the buffer block 17, which is far away from the buffer plate 16, a fixed block 19 is rotatably connected at one end of the expansion link 18, which is far away from the buffer block 17, through a pin shaft, one side of the fixed block 19, which is far away from the expansion link 18, is fixedly connected at one side of the inner wall of the buffer cavity 15, which is close to the fixed block 19, grooves 20 are symmetrically formed in one side of the inner wall of the buffer cavity 15, and trapezoidal plates 21 are slidably connected in the grooves 20.

As a preferable technical scheme of the utility model, a sliding groove 22 is arranged on one side of the inner cavity 9 far away from the installation cavity 5, the sliding groove 22 is communicated with the inner cavity 9, a sliding block 23 is connected in the sliding groove 22 in a sliding manner, and one end of the sliding block 23 far away from the sliding groove 22 extends into the inner cavity 9 and is fixedly connected with one side face of the serrated plate 10 far away from the gear 6.

As a preferable technical scheme of the utility model, one end of the trapezoidal plate 21, which is far away from the groove 20, extends into the buffer cavity 15 and is in contact with the outer wall of the buffer block 17, one side of the trapezoidal plate 21, which is far away from the telescopic rod 18, is fixedly connected with a damping spring 24, and one end of the damping spring 24, which is far away from the trapezoidal plate 21, is fixedly connected with the inner wall of the buffer cavity 15.

In a preferred embodiment of the present invention, two of the clamping bars 12 are provided and respectively fit with the first clamping groove 13 and the second clamping groove 14.

When the utility model is used, firstly, the mechanical arm 3 can be placed in the fixed groove 4, then the motor 7 is started, the motor 7 is started to drive the rotating shaft 8 to rotate, the gear 6 is further arranged to be meshed with the serrated plate 10, the serrated plate 10 makes linear motion and drives the clamping rod 12 to extend out of the inner cavity 9 and be clamped with the first clamping groove 13 and the second clamping groove 14, thus the combination and disassembly of the fixed seat 2 and the mechanical arm 3 are realized, the installation efficiency is improved, the time and the labor are saved, the production speed of an automatic production line is ensured, finally, when the mechanical arm 3 works, the mechanical arm 3 generates vibration, the impact force is transmitted to the buffer plate 16 through the buffer cavity 15 to drive the buffer plate 16 and the buffer block 17 to move, the further telescopic rod 18 contracts to enable the buffer block 17 to impact the trapezoidal plate 21, the trapezoidal plate 21 is stressed to slide and the impact force is relieved through the damping spring 24, the stable connection of the fixed seat 2 and the mechanical arm 3 can be ensured, the stability of this device has been guaranteed better.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a good arm base stabilizes, includes bottom plate (1), its characterized in that: the fixing device is characterized in that a fixing seat (2) is fixedly connected to the center of the upper surface of the bottom plate (1), a mechanical arm (3) is arranged on the upper side of the fixing seat (2), a fixing groove (4) matched with the mechanical arm (3) is formed in the upper surface of the fixing seat (2), an installation cavity (5) is formed in the lower side of the fixing groove (4) and inside the fixing seat (2), a gear (6) is arranged in the installation cavity (5), a motor (7) is arranged on the rear side surface of the gear (6), the inner wall of the installation cavity (5) is fixedly connected to the lower surface of the motor (7), a rotating shaft (8) is fixedly connected to the output end of the motor (7), one end of the rotating shaft (8) far away from the rear side surface of the gear (6) is fixedly connected to the rear side surface of the gear (7), inner cavities (9) are formed in the top and the bottom of the installation cavity (5) and the inner cavities (9) are mutually communicated, and a sawtooth plate (10) is slidably connected to the inner cavity (9), serration plate (10) sets up relatively, serration plate (10) are through sawtooth portion meshing connection gear (6) lateral surface, inner chamber (9) inner wall one side rigid coupling has spring (11), an one end rigid coupling serration plate (10) terminal surface of inner chamber (9) inner wall is kept away from in spring (11), the one end rigid coupling that spring (11) were kept away from in serration plate (10) has kelly (12), first draw-in groove (13) and second draw-in groove (14) have been seted up respectively to arm (3) bottom both sides, the one end that serration plate (10) were kept away from in kelly (12) runs through slip inner chamber (9) inner wall and extends to fixed slot (4) outside.

2. A stabilized robotic arm base as claimed in claim 1, wherein: fixed slot (4) side just is equipped with cushion chamber (15) in fixing base (2) inside, one side contact that cushion chamber (15) inner wall is close to fixed slot (4) is connected with buffer board (16), a side center department rigid coupling that buffer chamber (15) inner wall was kept away from in buffer board (16) has buffer block (17), the one end rigid coupling that buffer block (16) were kept away from in buffer block (17) has telescopic link (18), the one end that buffer block (17) were kept away from in telescopic link (18) is rotated through the round pin axle and is connected with fixed block (19), one side rigid coupling cushion chamber (15) inner wall one side of telescopic link (18) is kept away from in fixed block (19), one side symmetry that buffer chamber (15) inner wall is close to fixed block (19) is seted up fluted (20), sliding connection has trapezoidal plate (21) in recess (20).

3. A stabilized robotic arm base as claimed in claim 1, wherein: one side that installation cavity (5) were kept away from in inner chamber (9) is equipped with spout (22), spout (22) and inner chamber (9) communicate each other, sliding connection has slider (23) in spout (22), the one end that spout (22) were kept away from in slider (23) extends to inner chamber (9) and a side that gear (6) were kept away from in rigid coupling serration plate (10).

4. A stabilized robotic arm base as claimed in claim 2, wherein: trapezoidal plate (21) keep away from the one end of recess (20) and extend and contact connection buffer block (17) outer wall to cushion chamber (15), one side rigid coupling that telescopic link (18) were kept away from in trapezoidal plate (21) has damping spring (24), damping spring (24) keep away from the one end rigid coupling cushion chamber (15) inner wall of trapezoidal plate (21).

5. A stabilized robotic arm base as claimed in claim 1, wherein: the clamping rods (12) are arranged in two and are respectively matched with the first clamping groove (13) and the second clamping groove (14).